Color Blindness Simulator
Preview how colors and images look under different types of color vision deficiency.
Vision Type
Color Palette
#ff0000
#00aa00
#0000ff
#ffaa00
Deuteranopia
#a39000
Color 1
#9f8e24
Color 2
#003dfb
Color 3
#dcc411
Color 4
Image Preview
Upload an image to see how it appears with different types of color vision deficiency.
Reference
Approximately 8% of males and 0.5% of females have some form of color vision deficiency.
Protanopia and Deuteranopia (red-green) are the most common. Tritanopia (blue-yellow) is rare. Achromatopsia (total) is extremely rare.
Use this tool to verify your UI is accessible. Ensure important information is not conveyed by color alone — use icons, patterns, labels, or other visual cues.